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Publication Type J
Authors Zitouni, M., V. Wewer, P. Dormann, C. Abdelly and N. Ben Youssef
Title Quadrupole time-of-flight mass spectrometry analysis of glycerophospholipid molecular species in the two halophyte seed oils: Eryngium maritimum and Cakile maritima
Source Food Chemistry
Author Keywords Eryngium maritimum Cakile maritima Fatty acids Glycerophospholipids Molecular species Q-TOF MS/MS phospholipid-composition lipid-metabolism acid plant olive
Abstract Future applications of lipids in clinical cohort studies demand detailed glycerophospholipid molecule information and the application of high-throughput lipidomics platforms. In the present work, a novel sensitive technique with high mass resolution and accuracy was applied to accomplish phospholipid analysis. Nanospray ionization quadrupole time-of-flight mass spectrometry was used to separate and quantify the glycerophospholipid classes as well as molecular species in two halophyte seed oils from Cakile maritima and Eryngium maritimum. Precursor or neutral loss scans of their polar head groups allowed the detection of molecular species within particular glycerophospholipid classes. Phosphatidylcholine was found to be the most abundant glycerophospholipid in both seed oils whereas phosphatidylethanolamine and phosphatidic acid were less abundant. Phosphatidylinositol, phosphatidylserine and phosphatidylglycerol were minor glycerophospholipids. Several molecular species within each class were detected and the main molecular species (C36: 4, C36: 3, C36: 2, 34: 2 and C34: 1) were quantitatively different between the two halophytes and the different glycerophospholipids. (C) 2016 Elsevier Ltd. All rights reserved.
Author Address [Zitouni, Manel; Abdelly, Chedly] Ctr Biotechnol Borj Cedria, Lab Extremophile Plants, POB 901, Hammam Lif 2050, Tunisia. [Ben Youssef, Nabil] Ctr Biotechnol Borj Cedria, Lab Biotechnol Olive Tree, POB 901, Hammam Lif 2050, Tunisia. [Wewer, Vera; Doermann, Peter] Univ Bonn, Inst Mol Physiol & Biotechnol Plants, D-53115 Bonn, Germany. Zitouni, M (reprint author), Ctr Biotechnol Borj Cedria, Lab Extremophile Plants, POB 901, Hammam Lif 2050, Tunisia. manel.zitouni@yahoo.fr; vera.wewer@uni-bonn.de; doermann@uni-bonn.de; chedly.abdelly@cbbc.rnrt.tn; nabilbtn@gmail.com
ISSN 0308-8146
ISBN 0308-8146
29-Character Source Abbreviation Food Chem.
Publication Date Dec
Year Published 2016
Volume 213
Beginning Page 319-328
Digital Object Identifier (DOI) 10.1016/j.foodchem.2016.06.083
Unique Article Identifier WOS:000380289900040
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